1806966 has 24 divisors (see below), whose sum is σ = 4474704. Its totient is φ = 516240.

The previous prime is 1806953. The next prime is 1806971. The reversal of 1806966 is 6696081.

It is a super-2 number, since 2×1806966² = 6530252250312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1806966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7045 + ... + 7296.

It is an arithmetic number, because the mean of its divisors is an integer number (186446).

2^1806966 is an apocalyptic number.

1806966 is an abundant number, since it is smaller than the sum of its proper divisors (2667738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1806966 is a wasteful number, since it uses less digits than its factorization.

1806966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14356 (or 14353 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1806966 is about 1344.2343545677. The cubic root of 1806966 is about 121.8007587292.

It can be divided in two parts, 1806 and 966, that added together give a palindrome (2772).

The spelling of 1806966 in words is "one million, eight hundred six thousand, nine hundred sixty-six".